36440002001 has 8 divisors (see below), whose sum is σ = 40155709440. Its totient is φ = 32854670352.

The previous prime is 36440001947. The next prime is 36440002013. The reversal of 36440002001 is 10020004463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36440002001 - 2¹⁰ = 36440000977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36440002021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32593361 + ... + 32594478.

It is an arithmetic number, because the mean of its divisors is an integer number (5019463680).

Almost surely, 2^36440002001 is an apocalyptic number.

It is an amenable number.

36440002001 is a deficient number, since it is larger than the sum of its proper divisors (3715707439).

36440002001 is a wasteful number, since it uses less digits than its factorization.

36440002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65187895.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 36440002001 its reverse (10020004463), we get a palindrome (46460006464).

The spelling of 36440002001 in words is "thirty-six billion, four hundred forty million, two thousand, one".